package com.czc.mvc.config;

import com.czc.entity.Admin;
import com.czc.entity.Role;
import com.czc.service.api.AdminService;
import com.czc.service.api.AuthService;
import com.czc.service.api.RoleService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.List;

@Component
public class CrowdUserDetailsService implements UserDetailsService {

    @Autowired
    private AdminService adminService;

    @Autowired
    private RoleService roleService;

    @Autowired
    private AuthService authService;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {

        //1.根据帐号名称查询Admin对象
        Admin admin=adminService.getAdminByLoginAcct(username);

        //2.获取adminId
        Integer adminId=admin.getId();

        //3.根据adminId 查询角色信息
        List<Role> assignedRole = roleService.getAssignedRole(adminId);

        //4.根据adminId 查询权限信息
        List<String> authNameList = authService.getAssignedAuthNameByAdminId(adminId);

        //5.创建集合对象用来存储GrantedAuthority
        List<GrantedAuthority> authorities=new ArrayList<GrantedAuthority>();

        //6.遍历assignedRole存入角色信息
        for(Role role:assignedRole){
            String roleName="ROLE_"+role.getName();
            SimpleGrantedAuthority simpleGrantedAuthority = new SimpleGrantedAuthority(roleName);
            authorities.add(simpleGrantedAuthority);
        }

        //7.遍历authNameList存入权限信息
        for(String authName:authNameList){
            SimpleGrantedAuthority simpleGrantedAuthority = new SimpleGrantedAuthority(authName);
            authorities.add(simpleGrantedAuthority);
        }

        //8.封装SecurityAdmin对象
        SecurityAdmin securityAdmin = new SecurityAdmin(admin, authorities);

        return securityAdmin;
    }
}
